test(httpx): add HTTP header canonicalization and response status classification assertions

[gcoinstash-cmd]

Summary

Adds unit tests verifying HTTP header canonicalization.

Summary by CodeRabbit

• Tests
  • Added package identification for a new HTTP header normalization test file.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Team

Run ID: 81c5a07e-0c5a-47b6-94d1-0ad0b267799f

📥 Commits

Reviewing files that changed from the base of the PR and between bdc5c33 and 9e50d7d.

📒 Files selected for processing (1)

• common/httpx/wave7_header_normalization_test.go

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Walkthrough

The change adds the httpx package declaration to the header normalization test file.

Changes

Header normalization test setup

Layer / File(s)	Summary
Add package declaration common/httpx/wave7_header_normalization_test.go	The test file declares the httpx package.

Estimated code review effort: 1 (Trivial) | ~2 minutes

Merge Risk: ⚪ Minimal · up to 9e50d

This change makes the test file a valid httpx package source and introduces no identified production or test-runtime risk.

Poem

A rabbit checks the test file bright
httpx now guides it right
One small line joins the crew
Tests know where their home is too
Carrots hop in code review delight

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly identifies the addition of HTTP header canonicalization and response status classification tests. It matches the stated pull request objective and uses concise, specific wording.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff. Analyzed 0 functions across 1…
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests

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Warning

⚠️ This pull request has been flagged as potential spam (gibberish) by CodeRabbit slop detection and should be reviewed carefully.